Home / 87,692,574.60-131,349,905.10-72,576,030.60

Finding the Fourth Proportional to 87,692,574.60, 131,349,905.10 and 72,576,030.60

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Solution

The fourth proportional to 87,692,574.60, 131,349,905.10 and 72,576,030.60 is: 108,707,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,692,574.60 : 131,349,905.10 = 72,576,030.60 : x
  2. Step 2: Convert to fraction form
    87,692,574.60/131,349,905.10 = 72,576,030.60/x
  3. Step 3: Cross multiply
    87,692,574.60x = 131,349,905.10 × 72,576,030.60
  4. Step 4: Simplify right side
    87,692,574.60x = 9,532,854,731,844,694
  5. Step 5: Solve for x
    x = 9,532,854,731,844,694/87,692,574.60
  6. Step 6: Final answer
    x = 108,707,661.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.